No one starts out on top. You have to work your way up.

Hard work beats talent when talent doesn't work hard.

Tough times never last, but tough people do.

Skills are built not born.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

It is never too late to turn an unproductive day into a productive one.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

The bad news is time flies, the good new is that you're the pilot.

Knowledge is of no value unless you put it into practice.

Hope might be a good breakfast, but it makes a very poor dinner

Mistakes have the power to turn you into something better than you were before.

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.